lt5524 Linear Technology Corporation, lt5524 Datasheet - Page 5

• Manufacturer Part Number: lt5524
• Description: Low Distortion If Amplifier/adc Driver With Digitally Controlled Gain
• Manufacturer: Linear Technology Corporation

input levels V
TYPICAL PERFOR A CE CHARACTERISTICS
5.4
5.2
5.0
4.8
4.6
4.2
4.0
4.4
30
27
24
21
18
15
12
9
6
3
0
4.5
10
Minimum Gain vs V
R
Frequency Response for All Gain
Steps, R
OUT
= 200Ω
4.7
IL
OUT
= 0.6V, V
FREQUENCY (MHz)
4.9
= 200Ω
V
–40°C
25°C
85°C
CC
100
(V)
54
51
48
45
42
39
36
33
30
IH
5.1
CC
0
OIP3 vs Frequency at Pin = –23dBm,
Max Gain and 1.5dB Attenuation
Step, R
= 3V unless otherwise noted. (Test circuit shown in Figure 9)
at 120MHz,
ATTENUATION
W
5.3
OUT
50
5524 G04
5524 G01
1.5dB
STEP
FREQUENCY (MHz)
U
= 200Ω
1000
5.5
MAX GAIN
100
–0.2
–0.4
–0.6
–0.8
27.6
27.4
27.2
27.0
26.8
26.6
26.4
26.2
0.8
0.6
0.4
0.2
0
4.5
150
0
Gain Error vs Attenuation Step at
25MHz, R
Maximum Gain vs V
120MHz, R
3
5524 G07
4.7
25°C
–40°C
85°C
200
ATTENUATION STEP (dB)
6
OUT
OUT
4.9
9
= 200Ω
V
= 200Ω
–40°C
25°C
85°C
CC
12
(V)
5.1
CC
–100
15
–70
–75
–40
–45
–50
–55
–60
–65
–80
–85
–90
–95
at
–6
Harmonic Distortion vs P
50MHz, Max Gain, R
5.3
18
T
5524 G02
5524 G05
–3
A
21
= 25°C, V
5.5
0
P
OUT
3
HD3
CC
–0.2
–0.4
–0.6
–0.8
(dBm)
0.8
0.6
0.4
0.2
10
25
20
15
–5
0
0
= 5V, V
5
HD5
6
–31
0
Gain Error vs Attenuation Step at
100MHz, R
P
OUT
OUT
–28
HD2
9
3
= 200Ω
OUT
vs P
CCO
25°C
–40°C
85°C
–25
ATTENUATION STEP (dB)
12
at
HD4
6
IN
= 5V, EN = 3V, control
5524 G08
OUT
–22
at 50MHz, Max Gain
15
9
P
IN
= 200Ω
–19
(dBm)
12
R
–16
OUT
LT5524
15
= 200Ω
–13
18
–10
5524 G03
5524 G06
21
5
5524f
–7